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Terms for subject Rail transport containing back up | all forms | exact matches only | in specified order only
| English | Chinese |
| back up ring | 支承环 |
| back up ring | 垫圈 |
| back up washer | 支撑垫圈 |
| emergency pneumatic back-up brake | 紧急备用空气制动 |
| torque back up | 增援扭矩 |
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| English | Chinese |
| back up ring | 支承环 |
| back up ring | 垫圈 |
| back up washer | 支撑垫圈 |
| emergency pneumatic back-up brake | 紧急备用空气制动 |
| torque back up | 增援扭矩 |